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#!/usr/bin/python
#
# anaconda: The Red Hat Linux Installation program
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
# Red Hat, Inc.  All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Author(s): Brent Fox <bfox@redhat.com>
#            Mike Fulbright <msf@redhat.com>
#            Jakub Jelinek <jakub@redhat.com>
#            Jeremy Katz <katzj@redhat.com>
#            Chris Lumens <clumens@redhat.com>
#            Paul Nasrat <pnasrat@redhat.com>
#            Erik Troan <ewt@rpath.com>
#            Matt Wilson <msw@rpath.com>
#

# This toplevel file is a little messy at the moment...

import sys, os, re, time, subprocess
from optparse import OptionParser
from tempfile import mkstemp

# keep up with process ID of the window manager if we start it
wm_pid = None

# Make sure messages sent through python's warnings module get logged.
def AnacondaShowWarning(message, category, filename, lineno, file=sys.stderr, line=None):
    log.warning("%s" % warnings.formatwarning(message, category, filename, lineno, line))

def startMetacityWM():
    childpid = os.fork()
    if not childpid:
        cmd = '/usr/bin/metacity'
        if not os.access(cmd, os.X_OK):
            log.error("Unable to find the window manager binary.")
            sys.exit(1)
        args = ['--display', ':1',
                '--sm-disable']
        rc = iutil.execWithRedirect(cmd, args, 
                               stdout='/dev/null', stderr='/dev/null')
        if rc:
            log.error("Error running window manager.")
            sys.exit (rc)
        else:
            log.info("The window manager has terminated.")
            sys.exit(0)
    return childpid

# function to handle X startup special issues for anaconda
def doStartupX11Actions(runres="800x600"):
    global wm_pid

    setupGraphicalLinks()

    # now start up the window manager
    try:
        wm_pid = startMetacityWM()
        log.info("Starting window manager, pid %s." % (wm_pid,))
    except Exception:
        wm_pid = None
        log.error("Unable to start the window manager.")

    if wm_pid is not None:
        import xutils
        import gtk

        try:
            xutils.setRootResource('Xcursor.size', '24')
            xutils.setRootResource('Xcursor.theme', 'Bluecurve')
            xutils.setRootResource('Xcursor.theme_core', 'true')

            xutils.setRootResource('Xft.antialias', '1')
            xutils.setRootResource('Xft.hinting', '1')
            xutils.setRootResource('Xft.hintstyle', 'hintslight')
            xutils.setRootResource('Xft.rgba', 'none')
        except:
            sys.stderr.write("X SERVER STARTED, THEN FAILED");
            raise RuntimeError, "X server failed to start"

def doShutdownX11Actions():
    global wm_pid
    
    if wm_pid is not None:
        try:
            os.kill(wm_pid, 15)
            os.waitpid(wm_pid, 0)
        except:
            pass

def setupPythonUpdates():
    from distutils.sysconfig import get_python_lib

    if not os.path.exists("/tmp/updates"):
        return

    for pkg in os.listdir("/tmp/updates"):
        d = "/tmp/updates/%s" % pkg

        if not os.path.isdir(d):
            continue

        # See if the package exists in /usr/lib{64,}/python/?.?/site-packages.
        # If it does, we can set it up as an update.  If not, the pkg is
        # likely a completely new directory and should not be looked at.
        dest = "%s/%s" % (get_python_lib(), pkg)
        if not os.access(dest, os.R_OK):
            dest = "%s/%s" % (get_python_lib(1), pkg)
            if not os.access(dest, os.R_OK):
                continue

        contents = os.listdir(d)

        # Symlink over everything that's in the python libdir but not in
        # the updates directory.
        for f in filter(lambda fn: fn not in contents, os.listdir(dest)):
            if f.endswith(".pyc") or f.endswith(".pyo"):
                continue

            os.symlink("%s/%s" % (dest, f), "/tmp/updates/%s/%s" % (pkg, f))

    if os.access("/tmp/updates/70-anaconda.rules", os.R_OK):
        import shutil
        shutil.copyfile("/tmp/updates/70-anaconda.rules",
                        "/etc/udev/rules.d/70-anaconda.rules")

def parseOptions():
    def resolution_cb (option, opt_str, value, parser):
        parser.values.runres = value

    op = OptionParser()
    # Interface
    op.add_option("-C", "--cmdline", dest="display_mode", action="store_const", const="c",
                  default="g")
    op.add_option("-G", "--graphical", dest="display_mode", action="store_const", const="g")
    op.add_option("-T", "--text", dest="display_mode", action="store_const", const="t")

    # Network
    op.add_option("--noipv4", action="store_true", default=False)
    op.add_option("--noipv6", action="store_true", default=False)
    op.add_option("--proxy")
    op.add_option("--proxyAuth")

    # Method of operation
    op.add_option("--autostep", action="store_true", default=False)
    op.add_option("-d", "--debug", dest="debug", action="store_true", default=False)
    op.add_option("--kickstart", dest="ksfile")
    op.add_option("--rescue", dest="rescue", action="store_true", default=False)
    op.add_option("--targetarch", dest="targetArch", nargs=1, type="string")

    op.add_option("-m", "--method", dest="method", default=None)
    op.add_option("--repo", dest="method", default=None)
    op.add_option("--stage2", dest="stage2", default=None)

    op.add_option("--liveinst", action="store_true", default=False)

    # Display
    op.add_option("--headless", dest="isHeadless", action="store_true", default=False)
    op.add_option("--fullscreen", dest="fullScreen", action="store_true", default=False)
    op.add_option("--nofb")
    op.add_option("--resolution", action="callback", callback=resolution_cb, dest="runres",
                  default="800x600", nargs=1, type="string")
    op.add_option("--serial", action="store_true", default=False)
    op.add_option("--usefbx", dest="xdriver", action="store_const", const="fbdev")
    op.add_option("--virtpconsole")
    op.add_option("--vnc", action="store_true", default=False)
    op.add_option("--vncconnect")
    op.add_option("--xdriver", dest="xdriver", action="store", type="string", default=None)

    # Language
    op.add_option("--keymap")
    op.add_option("--kbdtype")
    op.add_option("--lang")

    # Obvious
    op.add_option("--loglevel")
    op.add_option("--syslog")

    op.add_option("--noselinux", dest="selinux", action="store_false", default=True)
    op.add_option("--selinux", action="store_true")

    op.add_option("--nompath", dest="mpath", action="store_false", default=True)
    op.add_option("--mpath", action="store_true")

    op.add_option("--nodmraid", dest="dmraid", action="store_false", default=True)
    op.add_option("--dmraid", action="store_true")

    op.add_option("--noibft", dest="ibft", action="store_false", default=True)
    op.add_option("--ibft", action="store_true")
    op.add_option("--noiscsi", dest="iscsi", action="store_false", default=False)
    op.add_option("--iscsi", action="store_true")

    # Miscellaneous
    op.add_option("--module", action="append", default=[])
    op.add_option("--nomount", dest="rescue_nomount", action="store_true", default=False)
    op.add_option("--updates", dest="updateSrc", action="store", type="string")
    op.add_option("--dogtail", dest="dogtail",   action="store", type="string")
    op.add_option("--dlabel", action="store_true", default=False)

    # Deprecated, unloved, unused
    op.add_option("-r", "--rootPath", dest="unsupportedMode",
                  action="store_const", const="root path")
    op.add_option("-t", "--test", dest="unsupportedMode",
                  action="store_const", const="test")

    return op.parse_args()

def setupPythonPath():
    haveUpdates = False
    for ndx in range(len(sys.path)-1, -1, -1):
        if sys.path[ndx].endswith('updates'):
            haveUpdates = True
            break

    # With anaconda being a real module this isn't strictly necessary, but
    # setting up the path now prevents having to change every import line in
    # anaconda.
    from distutils.sysconfig import get_python_lib
    d = get_python_lib(plat_specific=1)

    if haveUpdates:
        sys.path.insert(ndx+1, "%s/pyanaconda" % d)
        sys.path.insert(ndx+2, "%s/pyanaconda/textw" % d)
        sys.path.insert(ndx+3, "%s/pyanaconda/iw" % d)
    else:
        sys.path.insert(0, "%s/pyanaconda" % d)
        sys.path.insert(1, "%s/pyanaconda/textw" % d)
        sys.path.insert(2, "%s/pyanaconda/iw" % d)

    sys.path.append('/usr/share/system-config-date')

    # HACK: to workaround Anaconda sys.path hackery
    # lxnay here
    python_path = os.path.dirname(get_python_lib(plat_specific=1))
    if python_path in sys.path:
        sys.path.remove(python_path)
    sys.path.insert(0, python_path)

def addPoPath(dir):
    """ Looks to see what translations are under a given path and tells
    the gettext module to use that path as the base dir """
    for d in os.listdir(dir):
        if not os.path.isdir("%s/%s" %(dir,d)):
            continue
        if not os.path.exists("%s/%s/LC_MESSAGES" %(dir,d)):
            continue
        for basename in os.listdir("%s/%s/LC_MESSAGES" %(dir,d)):
            if not basename.endswith(".mo"):
                continue
            log.info("setting %s as translation source for %s" %(dir, basename[:-3]))
            gettext.bindtextdomain(basename[:-3], dir)

def setupTranslations():
    if os.path.isdir("/tmp/updates/po"):
        addPoPath("/tmp/updates/po")
    gettext.textdomain("anaconda")

def setupEnvironment():
    # Silly GNOME stuff
    if os.environ.has_key('HOME') and not os.environ.has_key("XAUTHORITY"):
        os.environ['XAUTHORITY'] = os.environ['HOME'] + '/.Xauthority'
    os.environ['HOME'] = '/tmp'
    os.environ['LC_NUMERIC'] = 'C'
    os.environ["GCONF_GLOBAL_LOCKS"] = "1"

    # In theory, this gets rid of our LVM file descriptor warnings
    os.environ["LVM_SUPPRESS_FD_WARNINGS"] = "1"

    # make sure we have /sbin and /usr/sbin in our path
    os.environ["PATH"] += ":/sbin:/usr/sbin"

    # we can't let the LD_PRELOAD hang around because it will leak into
    # rpm %post and the like.  ick :/
    if os.environ.has_key("LD_PRELOAD"):
        del os.environ["LD_PRELOAD"]

    os.environ["GLADEPATH"] = "/tmp/updates/:/tmp/updates/ui/:ui/:/usr/share/anaconda/ui/:/usr/share/python-meh/"
    os.environ["PIXMAPPATH"] = "/tmp/updates/pixmaps/:/tmp/updates/:/tmp/product/pixmaps/:/tmp/product/:pixmaps/:/usr/share/anaconda/pixmaps/:/usr/share/pixmaps/:/usr/share/anaconda/:/usr/share/python-meh/"

def setupLoggingFromOpts(opts):
    if opts.loglevel and anaconda_log.logLevelMap.has_key(opts.loglevel):
        level = anaconda_log.logLevelMap[opts.loglevel]
        anaconda_log.logger.tty_loglevel = level
        anaconda_log.setHandlersLevel(log, level)
        anaconda_log.setHandlersLevel(storage.storage_log.logger, level)

    if opts.syslog:
        anaconda_log.logger.remote_syslog = opts.syslog
        if opts.syslog.find(":") != -1:
            (host, port) = opts.syslog.split(":")
            anaconda_log.logger.addSysLogHandler(log, host, port=int(port))
        else:
            anaconda_log.logger.addSysLogHandler(log, opts.syslog)

# ftp installs pass the password via a file in /tmp so
# ps doesn't show it
def expandFTPMethod(str):
    ret = None

    try:
        filename = str[1:]
        ret = open(filename, "r").readline()
        ret = ret[:len(ret) - 1]
        os.unlink(filename)
        return ret
    except:
        return None

def runVNC():
    global vncS
    vncS.startServer()

    child = os.fork()
    if child == 0:
        for p in ('/tmp/updates/pyrc.py', \
                '/usr/share/anaconda/pyrc.py'):
            if os.access(p, os.R_OK|os.X_OK):
                os.environ['PYTHONSTARTUP'] = p
                break

        while True:
            # s390/s390x are the only places we /really/ need a shell on tty1,
            # and everywhere else this just gets in the way of pdb.  But we
            # don't want to return, because that'll return try to start X
            # a second time.
            if iutil.isConsoleOnVirtualTerminal():
                    time.sleep(10000)
            else:
                    print _("Press <enter> for a shell")
                    sys.stdin.readline()
                    iutil.execConsole()

def checkMemory(anaconda):
    if iutil.memInstalled() < isys.MIN_RAM:
        from snack import SnackScreen, ButtonChoiceWindow

        screen = SnackScreen()
        ButtonChoiceWindow(screen, _('Fatal Error'),
                            _('You do not have enough RAM to install %s '
                              'on this machine.\n'
                              '\n'
                              'Press <return> to reboot your system.\n')
                           %(product.productName,),
                           buttons = (_("OK"),))
        screen.finish()
        sys.exit(0)

    # override display mode if machine cannot nicely run X
    if not flags.usevnc:
        if anaconda.displayMode not in ('t', 'c') and iutil.memInstalled() < isys.MIN_GUI_RAM:
            complain = _("You do not have enough RAM to use the graphical "
                         "installer.")
            if flags.livecdInstall:
                stdoutLog.warning(complain)
                recommendation = _("Try the text mode installer by running:\n\n"
                                   "'/usr/bin/liveinst -T'\n\n from a root "
                                   "terminal.")
                title = _("Not enough RAM")
                text = "%s %s" %(complain, recommendation)
                import gtk
                dialog = gtk.MessageDialog(type = gtk.MESSAGE_ERROR, 
                                           buttons = gtk.BUTTONS_CLOSE,
                                           message_format=text)
                dialog.set_title(title)
                dialog.run()
                sys.exit(1)
            else:
                resolution = _("Starting text mode.")
                stdoutLog.warning("%s %s" % (complain, resolution))
                anaconda.displayMode = 't'
                time.sleep(2)

def setupGraphicalLinks():
    for i in ( "imrc", "im_palette.pal", "gtk-2.0", "pango", "fonts",
               "fb.modes"):
        try:
            if os.path.exists("/mnt/runtime/etc/%s" %(i,)):
                os.symlink ("../mnt/runtime/etc/" + i, "/etc/" + i)
        except:
            pass

def handleSshPw(anaconda):
    if not anaconda.ksdata:
        return

    import users
    u = users.Users(anaconda)

    userdata = anaconda.ksdata.sshpw.dataList()
    for ud in userdata:
        if u.checkUserExists(ud.username, root="/"):
            u.setUserPassword(username=ud.username, password=ud.password,
                              isCrypted=ud.isCrypted, lock=ud.lock)
        else:
            u.createUser(name=ud.username, password=ud.password,
                         isCrypted=ud.isCrypted, lock=ud.lock,
                         root="/")

    del u

def createSshKey(algorithm, keyfile):
    path = '/etc/ssh/%s' % (keyfile,)
    argv = ['-q','-t',algorithm,'-f',path,'-C','','-N','']
    log.info("running \"%s\"" % (" ".join(['ssh-keygen']+argv),))

    so = "/tmp/ssh-keygen-%s-stdout.log" % (algorithm,)
    se = "/tmp/ssh-keygen-%s-stderr.log" % (algorithm,)
    iutil.execWithRedirect('ssh-keygen', argv, stdout=so, stderr=se)

def fork_orphan():
    """Forks an orphan.
    
    Returns 1 in the parent and 0 in the orphaned child.
    """
    intermediate = os.fork()
    if not intermediate:
        if os.fork():
            # the intermediate child dies
            os._exit(0)
        return 0;
    # the original process waits for the intermediate child
    os.waitpid(intermediate, 0)
    return 1

def startSsh():
    if iutil.isS390():
        return

    if not fork_orphan():
        os.mkdir("/var/log", 0755)
        os.open("/var/log/lastlog", os.O_RDWR | os.O_CREAT, 0644)
        ssh_keys = {
            'rsa1':'ssh_host_key',
            'rsa':'ssh_host_rsa_key',
            'dsa':'ssh_host_dsa_key',
            }
        for (algorithm, keyfile) in ssh_keys.items():
            createSshKey(algorithm, keyfile)
        args = ["/sbin/sshd", "-f", "/etc/ssh/sshd_config.anaconda"]
        os.execv("/sbin/sshd", args)
        sys.exit(1)

def startDebugger(signum, frame):
    import epdb
    epdb.serve(skip=1)

class Anaconda(object):
    def __init__(self):
        import desktop, dispatch, firewall, security
        import system_config_keyboard.keyboard as keyboard
        from flags import flags

        self._backend = None
        self._bootloader = None
        self.canReIPL = False
        self.desktop = desktop.Desktop()
        self.dir = None
        self.dispatch = dispatch.Dispatcher(self)
        self.displayMode = None
        self.extraModules = []
        self.firewall = firewall.Firewall()
        self.genkernel = False
        self.id = None
        self._instClass = None
        self._instLanguage = None
        self._intf = None
        self.isHeadless = False
        self.fullScreen = False
        self.kernel = None
        self.keyboard = keyboard.Keyboard()
        self.ksdata = None
        self.makeconf_march = None
        self.makeconf_opt = None
        self.makeconf_pipe = None
        self.makeconf_jobs = None
        self.makeconf_load = None
        self.makeconf_silent = None
        self.mediaDevice = None
        self.methodstr = None
        self.mirrors = []
        self.mirrors_sync = []
        self._network = None
        self._platform = None
        self.profile = None
        self.proxy = None
        self.proxyUsername = None
        self.proxyPassword = None
        self.reIPLMessage = None
        self.rescue = False
        self.rescue_mount = True
        self.rootParts = None
        self.rootPath = "/mnt/sysimage"
        self.security = security.Security()
        self.simpleFilter = True
        self.stage2 = None
        self._storage = None
        self._timezone = None
        self.updateSrc = None
        self.upgrade = flags.cmdline.has_key("preupgrade")
        self.upgradeRoot = None
        self.upgradeSwapInfo = None
        self.use_flags = []
        self._users = None
        self.xorg = None

        # *sigh* we still need to be able to write this out
        self.xdriver = None

    @property
    def backend(self):
        if not self._backend:
            b = self.instClass.getBackend()
            self._backend = apply(b, (self, ))

        return self._backend

    @property
    def bootloader(self):
        if not self._bootloader:
            import booty
            self._bootloader = booty.getBootloader(self)

        return self._bootloader

    @property
    def firstboot(self):
        from pykickstart.constants import FIRSTBOOT_SKIP, FIRSTBOOT_DEFAULT

        if self.ksdata:
            return self.ksdata.firstboot.firstboot
        elif iutil.isS390():
            return FIRSTBOOT_SKIP
        else:
            return FIRSTBOOT_DEFAULT

    @property
    def instClass(self):
        if not self._instClass:
            from installclass import DefaultInstall
            self._instClass = DefaultInstall()

        return self._instClass

    @property
    def instLanguage(self):
        if not self._instLanguage:
            import language
            self._instLanguage = language.Language(self.displayMode)

        return self._instLanguage

    def _getInterface(self):
        return self._intf

    def _setInterface(self, v):
        # "lambda cannot contain assignment"
        self._intf = v

    def _delInterface(self):
        del self._intf

    intf = property(_getInterface, _setInterface, _delInterface)

    @property
    def network(self):
        if not self._network:
            import network
            self._network = network.Network()

        return self._network

    @property
    def platform(self):
        if not self._platform:
            import pyanaconda.platform as platform
            self._platform = platform.getPlatform(self)

        return self._platform

    @property
    def protected(self):
        import stat

        if os.path.exists("/dev/live") and \
           stat.S_ISBLK(os.stat("/dev/live")[stat.ST_MODE]):
            return [os.readlink("/dev/live")]
        elif self.methodstr and self.methodstr.startswith("hd:"):
            method = self.methodstr[3:]
            return [method.split(":", 3)[0]]
        else:
            return []

    @property
    def users(self):
        if not self._users:
            import users
            self._users = users.Users(self)

        return self._users

    @property
    def storage(self):
        if not self._storage:
            import storage
            self._storage = storage.Storage(self)

        return self._storage

    @property
    def timezone(self):
        if not self._timezone:
            import timezone
            self._timezone = timezone.Timezone()
            self._timezone.setTimezoneInfo(self.instLanguage.getDefaultTimeZone(self.rootPath))

        return self._timezone

    def dumpState(self):
        from meh.dump import ReverseExceptionDump
        from inspect import stack as _stack

        # Skip the frames for dumpState and the signal handler.
        stack = _stack()[2:]
        stack.reverse()
        exn = ReverseExceptionDump((None, None, stack), self.mehConfig)

        (fd, filename) = mkstemp("", "anaconda-tb-", "/tmp")
        fo = os.fdopen(fd, "w")

        exn.write(self, fo)

    def initInterface(self):
        if self._intf:
            raise RuntimeError, "Second attempt to initialize the InstallInterface"

        # setup links required by graphical mode if installing and verify display mode
        if self.displayMode == 'g':
            stdoutLog.info (_("Starting graphical installation."))

            try:
                from gui import InstallInterface
            except Exception, e:
                stdoutLog.error("Exception starting GUI installer: %s" %(e,))
                # if we're not going to really go into GUI mode, we need to get
                # back to vc1 where the text install is going to pop up.
                if not flags.livecdInstall:
                    isys.vtActivate (1)
                stdoutLog.warning("GUI installer startup failed, falling back to text mode.")
                self.displayMode = 't'
                if 'DISPLAY' in os.environ.keys():
                    del os.environ['DISPLAY']
                time.sleep(2)

        if self.displayMode == 't':
            from text import InstallInterface
            if not os.environ.has_key("LANG"):
                os.environ["LANG"] = "en_US.UTF-8"

        if self.displayMode == 'c':
            from cmdline import InstallInterface

        self._intf = InstallInterface()
        return self._intf

    def writeXdriver(self):
        # this should go away at some point, but until it does, we
        # need to keep it around.
        if self.xdriver is None:
            return
        if not os.path.isdir("%s/etc/X11" %(self.rootPath,)):
            os.makedirs("%s/etc/X11" %(self.rootPath,), mode=0755)
        f = open("%s/etc/X11/xorg.conf" %(self.rootPath,), 'w')
        f.write('Section "Device"\n\tIdentifier "Videocard0"\n\tDriver "%s"\nEndSection\n' % self.xdriver)
        f.close()

    def setMethodstr(self, methodstr):
        if methodstr.startswith("cdrom://"):
            (device, tree) = string.split(methodstr[8:], ":", 1)

            if not tree.startswith("/"):
                tree = "/%s" %(tree,)

            if device.startswith("/dev/"):
                device = device[5:]

            self.mediaDevice = device
            self.methodstr = "cdrom://%s" % tree
        else:
            self.methodstr = methodstr

    def requiresNetworkInstall(self):
        fail = False
        numNetDevs = isys.getNetworkDeviceCount()

        if self.methodstr is not None:
            if (self.methodstr.startswith("http") or \
                self.methodstr.startswith("ftp://") or \
                self.methodstr.startswith("nfs:")) and \
               numNetDevs == 0:
                fail = True
        elif self.stage2 is not None:
            if self.stage2.startswith("cdrom://") and \
               not os.path.isdir("/mnt/stage2/Packages") and \
               numNetDevs == 0:
                fail = True

        if fail:
            log.error("network install required, but no network devices available")

        return fail

    def write(self):
        self.writeXdriver()
        self.instLanguage.write(self.rootPath)

        self.timezone.write(self.rootPath)
        self.network.write(instPath=self.rootPath, anaconda=self)
        self.desktop.write(self.rootPath)
        self.users.write(self.rootPath)
        # Gentoo doesn't ship with authconfig
        # authconfig causes massive breakage to Gentoo's pambase file
        # layout renaming files around without notification
        # self.security.write(self.rootPath)
        self.firewall.write(self.rootPath)

        if self.ksdata:
            for svc in self.ksdata.services.disabled:
                iutil.execWithRedirect("/sbin/chkconfig",
                                       [svc, "off"],
                                       stdout="/dev/tty5", stderr="/dev/tty5",
                                       root=self.rootPath)

            for svc in self.ksdata.services.enabled:
                iutil.execWithRedirect("/sbin/chkconfig",
                                       [svc, "on"],
                                       stdout="/dev/tty5", stderr="/dev/tty5",
                                       root=self.rootPath)

    def writeKS(self, filename):
        import urllib
        from pykickstart.version import versionToString, DEVEL

        f = open(filename, "w")

        f.write("# Kickstart file automatically generated by anaconda.\n\n")
        f.write("#version=%s\n" % versionToString(DEVEL))

        if self.upgrade:
            f.write("upgrade\n");
        else:
            f.write("install\n");

        m = None

        if self.methodstr:
            m = self.methodstr
        elif self.stage2:
            m = self.stage2

        if m:
            if m.startswith("cdrom:"):
                f.write("cdrom\n")
            elif m.startswith("hd:"):
                if m.count(":") == 3:
                    (part, fs, dir) = string.split(m[3:], ":")
                else:
                    (part, dir) = string.split(m[3:], ":")

                f.write("harddrive --partition=%s --dir=%s\n" % (part, dir))
            elif m.startswith("nfs:"):
                if m.count(":") == 3:
                    (server, opts, dir) = string.split(m[4:], ":")
                    f.write("nfs --server=%s --opts=%s --dir=%s" % (server, opts, dir))
                else:
                    (server, dir) = string.split(m[4:], ":")
                    f.write("nfs --server=%s --dir=%s\n" % (server, dir))
            elif m.startswith("ftp://") or m.startswith("http"):
                f.write("url --url=%s\n" % urllib.unquote(m))

        # Some kickstart commands do not correspond to any anaconda UI
        # component.  If this is a kickstart install, we need to make sure
        # the information from the input file ends up in the output file.
        if self.ksdata:
            f.write(self.ksdata.user.__str__())
            f.write(self.ksdata.services.__str__())
            f.write(self.ksdata.reboot.__str__())

        self.instLanguage.writeKS(f)

        if not self.isHeadless:
            self.keyboard.writeKS(f)
            self.network.writeKS(f)

        self.timezone.writeKS(f)
        self.users.writeKS(f)
        self.security.writeKS(f)
        self.firewall.writeKS(f)

        self.storage.writeKS(f)
        self.bootloader.writeKS(f)

        if self.backend:
            self.backend.writeKS(f)
            self.backend.writePackagesKS(f, self)

        # Also write out any scripts from the input ksfile.
        if self.ksdata:
            for s in self.ksdata.scripts:
                f.write(s.__str__())

        # make it so only root can read, could have password
        os.chmod(filename, 0600)

if __name__ == "__main__":
    setupPythonPath()

    if os.getenv("ANACONDA_DEBUG") is None:
        sys.stderr = open("/tmp/anaconda.stderr.log", "w")

    # Allow a file to be loaded as early as possible
    try:
        import updates_disk_hook
    except ImportError:
        pass

    # Set up logging as early as possible.
    import logging
    import anaconda_log

    log = logging.getLogger("anaconda")
    stdoutLog = logging.getLogger("anaconda.stdout")

    # pull this in to get product name and versioning
    import product

    # this handles setting up updates for pypackages to minimize the set needed
    setupPythonUpdates()

    import isys
    isys.initLog()

    import signal, string, iutil, time
    import warnings
    import vnc
    import users
    import kickstart
    import storage.storage_log

    from flags import flags

    # the following makes me very sad. -- katzj
    # we have a slightly different set of udev rules in the second 
    # stage than the first stage.  why this doesn't get picked up
    # automatically, I don't know.  but we need to trigger so that we
    # have all the information about netdevs that we care about for 
    # NetworkManager in the udev database
    from baseudev import udev_trigger, udev_settle
    udev_trigger("net")
    udev_settle()
    # and for added fun, once doesn't seem to be enough?  so we 
    # do it twice, it works and we scream at the world "OH WHY?"
    udev_trigger("net")
    udev_settle()

    import gettext
    _ = lambda x: gettext.ldgettext("anaconda", x)

    anaconda = Anaconda()
    warnings.showwarning = AnacondaShowWarning
    setupTranslations()

    # reset python's default SIGINT handler
    signal.signal(signal.SIGINT, signal.SIG_DFL)
    signal.signal(signal.SIGSEGV, isys.handleSegv)

    setupEnvironment()

    pidfile = open("/var/run/anaconda.pid", "w")
    pidfile.write("%s\n" % (os.getpid(),))
    del pidfile
    # add our own additional signal handlers
    signal.signal(signal.SIGHUP, startDebugger)

    graphical_failed = 0
    vncS = vnc.VncServer()          # The vnc Server object.
    vncS.anaconda = anaconda
    xserver_pid = None

    (opts, args) = parseOptions()

    if opts.unsupportedMode:
        stdoutLog.error("Running anaconda in %s mode is no longer supported." % opts.unsupportedMode)
        sys.exit(0)

    # Now that we've got arguments, do some extra processing.
    setupLoggingFromOpts(opts)

    # Default is to prompt to mount the installed system.
    anaconda.rescue_mount = not opts.rescue_nomount

    if opts.dlabel: #autodetected driverdisc in use
        flags.dlabel = True

    anaconda.displayMode = opts.display_mode
    anaconda.isHeadless = opts.isHeadless
    anaconda.fullScreen = opts.fullScreen

    if opts.noipv4:
        flags.useIPv4 = False

    if opts.noipv6:
        flags.useIPv6 = False

    if opts.proxy:
        anaconda.proxy = opts.proxy

        if opts.proxyAuth:
            filename = opts.proxyAuth
            ret = open(filename, "r").readlines()
            os.unlink(filename)

            anaconda.proxyUsername = ret[0].rstrip()
            if len(ret) == 2:
                anaconda.proxyPassword = ret[1].rstrip()

    if opts.updateSrc:
        anaconda.updateSrc = opts.updateSrc

    if opts.method:
        if opts.method[0] == '@':
            opts.method = expandFTPMethod(opts.method)

        anaconda.setMethodstr(opts.method)
    else:
        anaconda.methodstr = None

    if opts.stage2:
        if opts.stage2[0] == '@':
            opts.stage2 = expandFTPMethod(opts.stage2)

        anaconda.stage2 = opts.stage2

    if opts.liveinst:
        flags.livecdInstall = True

    if opts.module:
        for mod in opts.module:
            (path, name) = string.split(mod, ":")
            anaconda.extraModules.append((path, name))

    if opts.vnc:
        flags.usevnc = 1
        anaconda.displayMode = 'g'
        vncS.recoverVNCPassword()

        # Only consider vncconnect when vnc is a param
        if opts.vncconnect:
            cargs = string.split(opts.vncconnect, ":")
            vncS.vncconnecthost = cargs[0]
            if len(cargs) > 1 and len(cargs[1]) > 0:
                if len(cargs[1]) > 0:
                    vncS.vncconnectport = cargs[1]

    if opts.ibft:
        flags.ibft = 1

    if opts.iscsi:
        flags.iscsi = 1

    if opts.targetArch:
        flags.targetarch = opts.targetArch

    # set flags 
    flags.dmraid = opts.dmraid
    flags.mpath = opts.mpath
    flags.selinux = opts.selinux

    if opts.serial:
        flags.serial = True
    if opts.virtpconsole:
        flags.virtpconsole = opts.virtpconsole

    if opts.xdriver:
        anaconda.xdriver = opts.xdriver
        anaconda.writeXdriver(root="/")

    if not flags.livecdInstall:
        isys.auditDaemon()

    # setup links required for all install types
    for i in ( "services", "protocols", "nsswitch.conf", "joe", "selinux",
               "mke2fs.conf" ):
        try:
            if os.path.exists("/mnt/runtime/etc/" + i):
                os.symlink ("../mnt/runtime/etc/" + i, "/etc/" + i)
        except:
            pass

    # This is the one place we do all kickstart file parsing.
    if opts.ksfile:
        kickstart.preScriptPass(anaconda, opts.ksfile)
        anaconda.ksdata = kickstart.parseKickstart(anaconda, opts.ksfile)
        opts.rescue = anaconda.ksdata.rescue.rescue

    if flags.sshd:
        # we need to have a libuser.conf that points to the installer root for
        # sshpw, but after that we start sshd, we need one that points to the
        # install target.
        luserConf = users.createLuserConf(instPath="")
        handleSshPw(anaconda)
        startSsh()
        del(os.environ["LIBUSER_CONF"])

    users.createLuserConf(anaconda.rootPath)

    if opts.rescue:
        anaconda.rescue = True

        import rescue

        if anaconda.ksdata:
            anaconda.instClass.configure(anaconda)

            # We need an interface before running kickstart execute methods for
            # storage.
            from snack import *
            screen = SnackScreen()
            anaconda.intf = rescue.RescueInterface(screen)

            anaconda.ksdata.execute()

            anaconda.intf = None
            screen.finish()

            # command line 'nomount' overrides kickstart /same for vnc/
            anaconda.rescue_mount = not (opts.rescue_nomount or anaconda.ksdata.rescue.nomount)

        rescue.runRescue(anaconda)

        # shouldn't get back here
        sys.exit(1)

    if anaconda.ksdata:
        if anaconda.ksdata.vnc.enabled:
            flags.usevnc = 1
            anaconda.displayMode = 'g'

            if vncS.password == "":
                vncS.password = anaconda.ksdata.vnc.password

            if vncS.vncconnecthost == "":
                vncS.vncconnecthost = anaconda.ksdata.vnc.host

            if vncS.vncconnectport == "":
                vncS.vncconnectport = anaconda.ksdata.vnc.port

        flags.vncquestion = False

    # disable VNC over text question when not enough memory is available
    if iutil.memInstalled() < isys.MIN_GUI_RAM:
        flags.vncquestion = False


    if anaconda.displayMode == 't' and flags.vncquestion: #we prefer vnc over text mode, so ask about that
        title = _("Would you like to use VNC?")
        message = _("Text mode provides a limited set of installation options.  "
                    "It does not allow you to specify your own partitioning "
                    "layout or package selections.  Would you like to use VNC "
                    "mode instead?")

        ret = vnc.askVncWindow(title, message)
        if ret != -1:
            anaconda.displayMode = 'g'
            flags.usevnc = 1
            if ret is not None:
                vncS.password = ret

    if opts.debug:
        flags.debug = True

    log.info("anaconda called with cmdline = %s" %(sys.argv,))
    log.info("Display mode = %s" % anaconda.displayMode)
    log.info("Default encoding = %s " % sys.getdefaultencoding())

    checkMemory(anaconda)

    #
    # now determine if we're going to run in GUI or TUI mode
    #
    # if no X server, we have to use text mode
    if not flags.livecdInstall and not iutil.isS390() and not os.access("/usr/bin/Xorg", os.X_OK):
         stdoutLog.warning(_("Graphical installation is not available. "
                             "Starting text mode."))
         time.sleep(2)
         anaconda.displayMode = 't'

    # s390/iSeries checks
    if anaconda.isHeadless and anaconda.displayMode == "g" and not \
       (os.environ.has_key("DISPLAY") or flags.usevnc):
        stdoutLog.warning(_("DISPLAY variable not set. Starting text mode."))
        anaconda.displayMode = 't'
        graphical_failed = 1
        time.sleep(2)

    # if DISPLAY not set either vnc server failed to start or we're not
    # running on a redirected X display, so start local X server
    if anaconda.displayMode == 'g' and not os.environ.has_key('DISPLAY') and not flags.usevnc:
        try:
            # The following code depends on no SIGCHLD being delivered, possibly
            # only except the one from a failing X.org. Thus make sure before
            # entering this section that all the other children of anaconda have
            # terminated or were forked into an orphan (which won't deliver a
            # SIGCHLD to mess up the fragile signaling below).

            # start X with its USR1 handler set to ignore.  this will make it send
            # us SIGUSR1 if it succeeds.  if it fails, catch SIGCHLD and bomb out.

            def sigchld_handler(num, frame):
                raise OSError

            def sigusr1_handler(num, frame):
                pass

            def preexec_fn():
                signal.signal(signal.SIGUSR1, signal.SIG_IGN)

            old_sigusr1 = signal.signal(signal.SIGUSR1, sigusr1_handler)
            old_sigchld = signal.signal(signal.SIGCHLD, sigchld_handler)
            xout = open("/dev/tty5", "w")

            proc = subprocess.Popen(["Xorg", "-br", "-logfile", "/tmp/X.log",
                                     ":1", "vt6", "-s", "1440", "-ac",
                                     "-nolisten", "tcp", "-dpi", "96"],
                                     close_fds=True, stdout=xout, stderr=xout,
                                     preexec_fn=preexec_fn)

            signal.pause()

            os.environ["DISPLAY"] = ":1"
            doStartupX11Actions(opts.runres)
            xserver_pid = proc.pid
        except (OSError, RuntimeError):
            stdoutLog.warning(" X startup failed, falling back to text mode")
            anaconda.displayMode = 't'
            graphical_failed = 1
            time.sleep(2)
        finally:
            signal.signal(signal.SIGUSR1, old_sigusr1)
            signal.signal(signal.SIGCHLD, old_sigchld)

    if anaconda.displayMode == 't' and graphical_failed and not anaconda.ksdata:
        ret = vnc.askVncWindow()
        if ret != -1:
            anaconda.displayMode = 'g'
            flags.usevnc = 1
            if ret is not None:
                vncS.password = ret

    # if they want us to use VNC do that now
    if anaconda.displayMode == 'g' and flags.usevnc:
        runVNC()
        doStartupX11Actions(opts.runres)

    # with X running we can initialize the UI interface
    anaconda.initInterface()
    anaconda.instClass.configure(anaconda)

    # comment out the next line to make exceptions non-fatal
    from exception import initExceptionHandling
    anaconda.mehConfig = initExceptionHandling(anaconda)

    # add our own additional signal handlers
    signal.signal(signal.SIGUSR2, lambda signum, frame: anaconda.dumpState())

    # download and run Dogtail script
    if opts.dogtail:
       try:
           import urlgrabber

           try:
               fr = urlgrabber.urlopen(opts.dogtail)
           except urlgrabber.grabber.URLGrabError, e:
               log.error("Could not retrieve Dogtail script from %s.\nError was\n%s" % (opts.dogtail, e))
               fr = None
                           
           if fr:
               (fw, testcase) = mkstemp(prefix='testcase.py.', dir='/tmp')
               os.write(fw, fr.read())
               fr.close()
               os.close(fw)
               
               # download completed, run the test
               if not os.fork():
                   # we are in the child
                   os.chmod(testcase, 0755)
                   os.execv(testcase, [testcase])
                   sys.exit(0)
               else:
                   # we are in the parent, sleep to give time for the testcase to initialize
                   # todo: is this needed, how to avoid possible race conditions
                   time.sleep(1)
       except Exception, e:
           log.error("Exception %s while running Dogtail testcase" % e)

    if opts.lang:
        # this is lame, but make things match what we expect (#443408)
        opts.lang = opts.lang.replace(".utf8", ".UTF-8")
        anaconda.dispatch.skipStep("language", permanent = 1)
        anaconda.instLanguage.instLang = opts.lang
        anaconda.instLanguage.systemLang = opts.lang
        anaconda.timezone.setTimezoneInfo(anaconda.instLanguage.getDefaultTimeZone(anaconda.rootPath))

    if opts.keymap:
        anaconda.dispatch.skipStep("keyboard", permanent = 1)
        anaconda.keyboard.set(opts.keymap)
        anaconda.keyboard.activate()

    if anaconda.ksdata:
        import storage
        storage.storageInitialize(anaconda)

        # Now having initialized storage, we can apply all the other kickstart
        # commands.  This gives us the ability to check that storage commands
        # are correctly formed and refer to actual devices.
        anaconda.ksdata.execute()

    # set up the headless case
    if anaconda.isHeadless:
        anaconda.dispatch.skipStep("keyboard", permanent = 1)

    if not anaconda.ksdata:
        anaconda.instClass.setSteps(anaconda)
    else:
        kickstart.setSteps(anaconda)

    try:
        anaconda.intf.run(anaconda)
    except SystemExit, code:
        anaconda.intf.shutdown()

    if anaconda.ksdata and anaconda.ksdata.reboot.eject:
        for drive in anaconda.storage.devicetree.devices:
            if drive.type != "cdrom":
                continue

            log.info("attempting to eject %s" % drive.path)
            drive.eject()

    del anaconda.intf

# vim:tw=78:ts=4:et:sw=4